Air Quality
Excellent
No health implications.
7
PM2.5
15
PM10
73
O3
0.4
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Oct
64
Good
Fri
3 Oct
68
Good
Sat
4 Oct
88
Good
Sun
5 Oct
71
Good
Mon
6 Oct
79
Good
Tue
7 Oct
17
Excellent
Wed
8 Oct
37
Excellent
Air quality in the last 12 months (Haiyuan)
|
2025/08
|
43
|
36
|
36
|
32
|
32
|
41
|
42
|
15
|
25
|
36
|
47
|
32
|
32
|
25
|
30
|
24
|
23
|
21
|
41
|
165
|
18
|
27
|
17
|
19
|
18
|
16
|
13
|
16
|
15
|
22
|
28
|
|
2025/07
|
28
|
27
|
55
|
76
|
22
|
33
|
24
|
50
|
25
|
34
|
23
|
35
|
26
|
51
|
51
|
47
|
46
|
53
|
77
|
29
|
28
|
25
|
38
|
25
|
27
|
27
|
29
|
26
|
32
|
30
|
77
|
|
2025/06
|
44
|
45
|
32
|
40
|
35
|
44
|
51
|
51
|
52
|
44
|
49
|
66
|
78
|
90
|
68
|
54
|
51
|
50
|
40
|
30
|
38
|
32
|
23
|
25
|
26
|
22
|
25
|
32
|
54
|
19
|
|
|
2025/05
|
108
|
161
|
96
|
181
|
294
|
162
|
96
|
132
|
102
|
49
|
45
|
59
|
101
|
59
|
53
|
115
|
265
|
69
|
64
|
58
|
172
|
111
|
34
|
40
|
43
|
46
|
35
|
32
|
45
|
98
|
53
|
|
2025/04
|
109
|
95
|
117
|
133
|
83
|
96
|
78
|
159
|
127
|
78
|
252
|
356
|
173
|
49
|
126
|
232
|
108
|
280
|
161
|
160
|
198
|
98
|
60
|
63
|
66
|
50
|
59
|
52
|
94
|
307
|
|
|
2025/03
|
85
|
39
|
43
|
56
|
52
|
45
|
73
|
76
|
118
|
73
|
222
|
95
|
108
|
63
|
47
|
51
|
40
|
31
|
48
|
67
|
65
|
73
|
196
|
199
|
195
|
410
|
118
|
115
|
62
|
74
|
66
|
|
2025/02
|
54
|
48
|
36
|
43
|
39
|
68
|
72
|
61
|
57
|
53
|
111
|
78
|
69
|
54
|
65
|
118
|
81
|
76
|
56
|
69
|
69
|
53
|
38
|
53
|
63
|
58
|
61
|
67
|
|||
|
2025/01
|
64
|
60
|
76
|
93
|
58
|
52
|
59
|
44
|
60
|
64
|
88
|
158
|
290
|
54
|
56
|
55
|
68
|
61
|
61
|
57
|
79
|
74
|
119
|
147
|
101
|
102
|
74
|
75
|
96
|
74
|
51
|
|
2024/12
|
43
|
54
|
59
|
49
|
52
|
49
|
46
|
48
|
58
|
69
|
75
|
59
|
65
|
56
|
72
|
84
|
76
|
59
|
56
|
51
|
52
|
53
|
64
|
85
|
73
|
70
|
38
|
58
|
64
|
55
|
56
|
|
2024/11
|
38
|
38
|
51
|
56
|
60
|
56
|
56
|
51
|
58
|
56
|
52
|
60
|
57
|
55
|
90
|
42
|
42
|
26
|
45
|
52
|
55
|
57
|
60
|
48
|
54
|
73
|
79
|
60
|
41
|
46
|
|
|
2024/10
|
39
|
32
|
35
|
25
|
33
|
49
|
47
|
47
|
55
|
51
|
45
|
35
|
37
|
44
|
54
|
51
|
37
|
44
|
25
|
42
|
36
|
30
|
41
|
38
|
54
|
49
|
39
|
43
|
51
|
37
|
44
|
|
2024/09
|
56
|
38
|
35
|
66
|
19
|
15
|
27
|
37
|
30
|
24
|
24
|
32
|
22
|
33
|
25
|
23
|
42
|
43
|
73
|
43
|
38
|
39
|
42
|
53
|
45
|
40
|
56
|
74
|
30
|
28
|
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution